Home / 19,809,601.20-29,714,401.80-13,078,015.20

Finding the Fourth Proportional to 19,809,601.20, 29,714,401.80 and 13,078,015.20

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Solution

The fourth proportional to 19,809,601.20, 29,714,401.80 and 13,078,015.20 is: 19,617,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809,601.20 : 29,714,401.80 = 13,078,015.20 : x
  2. Step 2: Convert to fraction form
    19,809,601.20/29,714,401.80 = 13,078,015.20/x
  3. Step 3: Cross multiply
    19,809,601.20x = 29,714,401.80 × 13,078,015.20
  4. Step 4: Simplify right side
    19,809,601.20x = 388,605,398,399,307.38
  5. Step 5: Solve for x
    x = 388,605,398,399,307.38/19,809,601.20
  6. Step 6: Final answer
    x = 19,617,022.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.